{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949970,-0.312343,0.000000,0.000000,0.115830,-0.352290,0.928695,0.000000,-0.289802,0.881413,0.372996,0.000000,-1849256.211773,5624392.775267,2364195.231312,1],    "boundingVolume": {    "region": [1.888376,0.382171,1.888532,0.382301,0.000000,8.160024]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/1_63991.b3dm"}}}